The PyPy standard interpreter compiled to C using the
<a href="http://codespeak.net/pypy/dist/pypy/doc/objspace-proxies.html#the-thunk-object-space">thunk object space</a>. Example (<a href="javascript:execute_snippet('pypy-c-thunk', 0)">execute</a>):
<pre>%s</pre>
And try <i>x</i>.
